Материал из VB Эксперт
Перейти к: навигация, поиск

Using a textbox, label and button to display the hidden text in a password box

Imports System
Imports System.Windows.Forms
Public Class MainClass
   Shared Sub Main()
        Dim myform As Form = New FrmButtonTest()
   End Sub " Main
End Class
Public Class FrmButtonTest
   Inherits System.Windows.Forms.Form
#Region " Windows Form Designer generated code "
   Public Sub New()
      "This call is required by the Windows Form Designer.
      "Add any initialization after the InitializeComponent() call
   End Sub
   "Form overrides dispose to clean up the component list.
   Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
      If disposing Then
         If Not (components Is Nothing) Then
         End If
      End If
   End Sub
   Friend WithEvents lblOutput As System.Windows.Forms.Label
   Friend WithEvents txtInput As System.Windows.Forms.TextBox
   Friend WithEvents cmdShow As System.Windows.Forms.Button
   "Required by the Windows Form Designer
   Private components As System.ruponentModel.Container
   "NOTE: The following procedure is required by the Windows Form Designer
   "It can be modified using the Windows Form Designer.  
   "Do not modify it using the code editor.
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
      Me.cmdShow = New System.Windows.Forms.Button()
      Me.txtInput = New System.Windows.Forms.TextBox()
      Me.lblOutput = New System.Windows.Forms.Label()
      Me.cmdShow.Location = New System.Drawing.Point(88, 88)
      Me.cmdShow.Name = "cmdShow"
      Me.cmdShow.Size = New System.Drawing.Size(96, 40)
      Me.cmdShow.TabIndex = 2
      Me.cmdShow.Text = "Show Me"
      Me.txtInput.Location = New System.Drawing.Point(16, 16)
      Me.txtInput.Name = "txtInput"
      Me.txtInput.PasswordChar = Microsoft.VisualBasic.ChrW(42)
      Me.txtInput.Size = New System.Drawing.Size(232, 22)
      Me.txtInput.TabIndex = 0
      Me.txtInput.Text = ""
      Me.lblOutput.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
      Me.lblOutput.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
      Me.lblOutput.Location = New System.Drawing.Point(16, 56)
      Me.lblOutput.Name = "lblOutput"
      Me.lblOutput.Size = New System.Drawing.Size(232, 23)
      Me.lblOutput.TabIndex = 1
      Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
      Me.ClientSize = New System.Drawing.Size(264, 141)
      Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.cmdShow, Me.lblOutput, Me.txtInput})
      Me.Name = "FrmButtonTest"
      Me.Text = "LabelTextBoxButtonExample"
   End Sub
#End Region
   " handles cmdShow_Click events
   Private Sub cmdShow_Click(ByVal sender As System.Object, _
      ByVal e As System.EventArgs) Handles cmdShow.Click
      lblOutput.Text = txtInput.Text
   End Sub
End Class